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CLC number: TM911.4; O614.33

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Received: 2005-07-14

Revision Accepted: 2005-09-02

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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.11 P.1124~1129

10.1631/jzus.2005.B1124


The impact of NiO on microstructure and electrical property of solid oxide fuel cell anode


Author(s):  LI Yan, LUO Zhong-yang, YU Chun-jiang, LUO Dan, XU Zhu-an, CEN Ke-fa

Affiliation(s):  Institute for Thermal Power Engineering, Clean Energy and Environment Engineering Key Laboratory of Ministry of Education, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   zyluo@cmee.zju.edu.cn

Key Words:  Solid oxide fuel cell, Ni-SDC anode, Electrical conductivity, Microstructure, NiO powder, Fabrication method


LI Yan, LUO Zhong-yang, YU Chun-jiang, LUO Dan, XU Zhu-an, CEN Ke-fa. The impact of NiO on microstructure and electrical property of solid oxide fuel cell anode[J]. Journal of Zhejiang University Science B, 2005, 6(11): 1124~1129.

@article{title="The impact of NiO on microstructure and electrical property of solid oxide fuel cell anode",
author="LI Yan, LUO Zhong-yang, YU Chun-jiang, LUO Dan, XU Zhu-an, CEN Ke-fa",
journal="Journal of Zhejiang University Science B",
volume="6",
number="11",
pages="1124~1129",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.B1124"
}

%0 Journal Article
%T The impact of NiO on microstructure and electrical property of solid oxide fuel cell anode
%A LI Yan
%A LUO Zhong-yang
%A YU Chun-jiang
%A LUO Dan
%A XU Zhu-an
%A CEN Ke-fa
%J Journal of Zhejiang University SCIENCE B
%V 6
%N 11
%P 1124~1129
%@ 1673-1581
%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.B1124

TY - JOUR
T1 - The impact of NiO on microstructure and electrical property of solid oxide fuel cell anode
A1 - LI Yan
A1 - LUO Zhong-yang
A1 - YU Chun-jiang
A1 - LUO Dan
A1 - XU Zhu-an
A1 - CEN Ke-fa
J0 - Journal of Zhejiang University Science B
VL - 6
IS - 11
SP - 1124
EP - 1129
%@ 1673-1581
Y1 - 2005
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2005.B1124


Abstract: 
Ni-Ce0.8Sm0.2O1.9 (Ni-SDC) cermet was selected as anode material for reduced temperature (800 °C) solid oxide fuel cells in this study. The influence of niO powder fabrication methods for Ni-SDC cermets on the electrode performance was investigated so that the result obtained can be applied to make high-quality anode. Three kinds of niO powder were synthesized with a fourth kind being available in the market. Four types of anode precursors were fabricated with these niO powders and Ce0.8Sm0.2O1.9 (SDC), and then were reduced to anode wafers for sequencing measurement. The electrical conductivity of the anodes was measured and the effect of microstructure was investigated. It was found that the anode electrical conductivity depends strongly on the niO powder morphologies, microstructure of the cermet anode and particle sizes, which are decided by niO powder preparation technique. The highest electrical conductivity is obtained for anode cermets with niO powder synthesized by NiCO3·2Ni(OH)2·4H2O or Ni(NO3)2·6H2O decomposition technique.

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Reference

[1] de Boer, B., Gonzalez, M., Bouwmeester, H.J.M., Verweij, H., 2000. The effect of the presence of fine YSZ particles on the performance of porous nickel electrodes. Solid State Ionics, 127:269-276.

[2] Fukui, T., Murata, K., Ohara, S., Abe, H., Naito, M., Nogi, K., 2004. Morphology control of Ni-YSZ cermet anode for lower temperature operation of SOFCs. Journal of Power Sources, 125:17-21.

[3] Lee, J.H., Heo, J.W., Lee, D.S., Kim, J., Kim, G.H., Lee, H.W., Song, H.S., Moon, J.H., 2003. The impact of anode microstructure on the power generating characteristics of SOFC. Solid State Ionics, 158:225-232.

[4] Mogensen, M., Sammes, N.M., Tompett, G.A., 2000. Physical, chemical and electrochemical properties of pure and doped ceria. Solid State Ionics, 129:63-94.

[5] Singhal, S.C., 2000. Advances in solid oxide fuel cell technology. Solid State Ionics, 135:305-313.

[6] Steele, B.C.H., 2000. Appraisal of Ce1−yGdyO2−y/2 electrolytes for IT-SOFC operation at 500 °C. Solid State Ionics, 129:95-110.

[7] Xia, C., Liu, M., 2002. Microstructures, conductivities, and electrochemical properties of Ce0.9Gd0.1O2 and GDC-Ni anodes for low-temperature SOFCs. Solid State Ionics, 152-153:423-430.

[8] Zha, S.W., Rauch, W., Liu, M.L., 2004. Ni-Ce0.9Gd0.1O1.95 anode for GDC electrolyte-based low-temperature SOFCs. Solid State Ionics, 166:241-250.

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